keigi, kotobuki tsumugi, k-on!, commentary, highres, 1girl, artist name, ass, bare arms, bare legs, bare shoulders, barefoot, blonde hair, blue eyes, blue slingshot swimsuit, blush, candy, condom, condom wrapper, film grain, food, heavy film grain, holding, holding candy, holding food, holding lollipop, lollipop, long hair, looking at viewer, open mouth, seiza, sitting, slingshot swimsuit, soles, solo, swimsuit, thick eyebrows, toes, tongue, tongue out, very long hair